Dtc P2128: Pedal Position Sensor (Sub) Circuit High Input - Suzuki Grand Vitara 2011 Manual

DTC P2128: Pedal Position Sensor (Sub) Circuit High Input

Wiring Diagram
Refer to "DTC P2122: Pedal Position Sensor (Main) Circuit Low Input: For Petrol Engine Model".
DTC Detecting Condition and Trouble Area
DTC detecting condition
Output voltage of accelerator pedal position sensor (sub)
is more than 4.8 V for 0.5 seconds continuously.
(1 driving detection logic)
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Keep the accelerator pedal at idle position for 2 seconds.
4) Keep the accelerator pedal at fully depressed position for 2 seconds.
5) Repeat Step 3) and 4) for 3 times.
6) Check DTC.
DTC Troubleshooting
NOTE
Before this trouble shooting is performed, read the precautions for DTC troubleshooting referring to
"Precautions for DTC Troubleshooting: For Petrol Engine Model".
Step
1 Was "Engine and Emission Control System Check"
performed?
2 Accelerator pedal position (APP) sensor assembly
mounting check
1) Check that accelerator pedal position (APP) sensor
assembly has been mounted to vehicle body properly
(no pinched floor carpet, etc).
Is it OK?
3 Accelerator pedal position sensor (sub) and its circuit
check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ON ignition switch, check "APP Sensor 2 Volt"
displayed on scan tool.
Is displayed voltage 4.8 V or more?
Engine General Information and Diagnosis: For Petrol Engine Model 1A-210
Action
Trouble area
• Accelerator pedal position (APP) sensor (sub) circuit
• Accelerator pedal position (APP) sensor assembly
• ECM
• Incorrect mounting of accelerator (APP) sensor
assembly
Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
S6JB0A1114076
No
Go to "Engine and
Emission Control
System Check: For
Petrol Engine Model".
Reinstall accelerator
pedal position (APP)
sensor assembly
properly referring to
"Accelerator Pedal
Position (APP) Sensor
Assembly Removal and
Installation: For Petrol
Engine Model in Section
1C".
Intermittent trouble.
Check for intermittent
referring to "Intermittent
and Poor Connection
Inspection in Section
00".